Trebonianus Gallus. AD 251-253. Æ Sestertius 31 mm. 16.54 gm. Rome mint, 6th officina. 4th emission, AD 253. Obv: IMP CAES C VIBIVS TREBONIANVS GALLVS AVG, Laureate, draped, and cuirassed bust right. Rev: APOLLO SALVTARI, Apollo standing left, holding branch and leaning on lyre set on column. RIC IV 103; Banti 5. Rare.